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GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in the carrying amount of other intangibles (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
GOODWILL AND OTHER INTANGIBLE ASSETS    
Beginning Balance, Cost $ 11,297,000  
Amortization, Cost 0  
Acquisition of Hy-Tech adjustment, Cost 1,144,000  
Currency translation adjustment, Cost 25,000  
Ending Balance, Cost 12,466,000 $ 11,297,000
Beginning Balance, Accumulated Amortization 3,497,000  
Amortization, Accumulated Amortization 703,000 702,000
Acquisition of Hy-Tech Illinois, Accumulated Amortization 0  
Currency translation adjustment, Accumulated Amortization 7,000  
Ending Balance, Accumulated Amortization 4,207,000 3,497,000
Beginning Balance, Net Book Value 7,800,000  
Amortization, Net Book Value (703,000)  
Acquisition of Hy-Tech Illinois, Net Book Value 1,144,000  
Currency translation adjustment, Net Book Value 18,000  
Ending Balance, Net Book Value $ 8,259,000 $ 7,800,000